Transformer dragon

Scientists from the University of Tokyo synced four thrusters together to create a serpentine, floating aircraft called DRAGON. The acronym stands for Dual-rotor embedded multilink Robot with the Ability of multi-deGree-of-freedom aerial transfromatiON, according to IEEE Spectrum.

You might think this early prototype is as useless as the Square Wheel but if Daleks scared you this thing should terrify you.